<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="submitdata" method="post" >
good<br/>
<textarea name="good" cols ="150" rows ="20" >
</textarea>
<br/>
<hr/>
improvements<br/>
<textarea name="bad"  cols ="150" rows ="20">
</textarea>
<br/>

<button id="submit" type="submit">提交</button>
</form>

<br/>
{% if "submit_length"  in session and session.get("submit_length") >20 %}
    <a href="list">查看今天的全部提交</a>
{% endif %}

</body>
</html>
